The omicron (B.1.1.529) variant of SARS-CoV-2 evolved into several sublineages, three
of which (BA.1, BA.2, and BA.5) became globally dominant. Currently, the prevalence
of omicron subvariants BQ.1 (a subvariant of BA.5), its sublineage BQ.1.1, and XBB
(a recombinant of two different BA.2 subvarian…